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Electromagnetism
> Wave
Wave
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The following terms are often used in the study of waves:
Wave number:
k
Frequency:
f
Wavelength:
λ
Period:
T
Phase velocity:
v
p
Angular frequency:
ω
The following equations shows the relationship between these terms.
Wave number
k
= 2
∏
/
λ
Frequency
f
= 1/
T
=
ω
0
/ 2
∏
Angular Frequency
ω
0
= 2 ·
∏
·
f
= 2
∏
/
T
Phase Velocity
v
p
=
ω
/
k
=
λ
·
f
Period
T
= 2
∏
/
ω
0
= 2
∏
· √(
m
/
k
)
Harmonic Wave
x
=
A
· cos(
ω
0
·
t
+
ø
)
Where
ø
is the phase constant and
A
is the amplitude.
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